#compdef expressvpn

# bash completion for expressvpn                           -*- shell-script -*-

_expressvpn_bash_autocomplete() {
    local cur cmd opts
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"

    if [ "$COMP_CWORD" -gt 1 ]; then
        cmd="${COMP_WORDS[1]}"
        opts=$( ${COMP_WORDS[0]} "$cmd" "${COMP_WORDS[@]:2:$COMP_CWORD-2}" --generate-bash-completion )
    else
        opts=$( ${COMP_WORDS[0]} --generate-bash-completion )
    fi

    local IFS=$'\n'
    COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )

    local escaped_single_qoute="\\'"
    local i=0
    for entry in ${COMPREPLY[*]}
    do
        if [[ "${cur:0:1}" == "'" ]] 
        then
            # started with single quote, escaping only other single quotes
            # [']bla'bla"bla\bla bla --> [']bla'\''bla"bla\bla bla
            COMPREPLY[$i]="${entry//\'/${escaped_single_qoute}}" 
        elif [[ "${cur:0:1}" == "\"" ]] 
        then
            # started with double quote, escaping all double quotes and all backslashes
            # ["]bla'bla"bla\bla bla --> ["]bla'bla\"bla\\bla bla
            entry="${entry//\\/\\\\}" 
            COMPREPLY[$i]="${entry//\"/\\\"}" 
        else 
            # no quotes in front, escaping _everything_
            # [ ]bla'bla"bla\bla bla --> [ ]bla\'bla\"bla\\bla\ bla
            entry="${entry//\\/\\\\}" 
            entry="${entry//\'/\'}" 
            entry="${entry//\"/\\\"}" 
            COMPREPLY[$i]="${entry// /\\ }"
        fi
        (( i++ ))
    done

    return 0
}

complete -F _expressvpn_bash_autocomplete expressvpn